import { HistoricalPricing } from '@refinitiv-data/types';
import { Logger } from '../../../../logger';
export declare class BlendingEventDispatcher<TSender, TArgs> implements HistoricalPricing.TimeSeries.Blending.TsiEvent<TSender, TArgs> {
    protected logger: Logger;
    constructor();
    private subscriptions;
    subscribe(fn: (sender: TSender, args: TArgs) => void): void;
    unsubscribe(fn: (sender: TSender, args: TArgs) => void): void;
    unsubscribeAll(): void;
    dispatch(sender: TSender, args: TArgs): void;
}